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David Starr Jordan (1851-1931)

By: Jill Briggs | Published: Jun 26, 2013

David Starr Jordan studied fish and promoted eugenics in the US during the late nineteenth and early twentieth centuries. In his work, he embraced…


De Formato Foetu (c. 1600), by Girolamo Fabrici

By: Hilary Gilson | Published: Aug 27, 2008

The embryological treatise De formato foetu (The Formed Fetus) was written by anatomist and embryologist Girolamo Fabrici. There is no conclusive…

LiteratureFabricius, ab Aquapendente, approximately 1533-1619FetusPublicationsAnatomy


By: Cera R. Lawrence | Published: Aug 13, 2008

The term homunculus is Latin for "little man." It is used in neurology today to describe the map in the brain of sensory neurons in each part of the…

Clifford Grobstein (1916-1998)

By: Brad Jacobson | Published: Nov 19, 2010

Clifford Grobstein was a traditional, influential, and highly innovative biologist of the mid-twentieth century, gifted with many character facets…


Hanging Drop Tissue Culture

By: Adam R. Navis | Published: Nov 08, 2007

The hanging drop tissue culture is a technique utilized in embryology and other fields to allow growth that would otherwise be restricted by the flat…

TechnologyTissue cultureTissue Culture Techniques

Wilhelm August Oscar Hertwig (1849-1922)

By: Benjamin Garcia, Katherine Brind'Amour | Published: Nov 01, 2007

Wilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is…


"Developmental Capacity of Nuclei Transplanted from Keratinized Skin Cells of Adult Frogs" (1975), by John Gurdon, Ronald Laskey, and O. Raymond Reeves

By: Sean Cohmer | Published: Jun 14, 2011

In 1975 John Gurdon, Ronald Laskey, and O. Raymond Reeves published "Developmental Capacity of Nuclei Transplanted from Keratinized Skin Cells of…

Nuclear Transfer TechniquesExperimentsPublicationsFrogsNuclear Transplantation

China's First Baby Conceived through In Vitro Fertilization-Embryonic Transfer, by Zhang Lizhu's Research Team

By: Lijing Jiang | Published: Apr 27, 2011

On 10 March 1988, China's first baby conceived through human in vitro fertilization (IVF) and embryo transfer (ET), commonly referred to as a test-…


Fate Map

By: Corinne DeRuiter | Published: Sep 08, 2010

Early development occurs in a highly organized and orchestrated manner and has long attracted the interest of developmental biologists and…

Cell Lineage

Carl Gottfried Hartman (1879-1968)

By: Giavonna A. Goodman | Published: Nov 01, 2011

Carl Gottfried Hartman researched the reproductive physiology of opossums and rhesus monkeys. He was the first to extensively study the embryology…


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